Shock and vibration absorbing device and method

ABSTRACT

A resilient device for absorbing at least one of shock and vibration includes a first portion, and a second portion which extends outwardly from the first portion and curves in a first direction away from the first portion and then recurves in a second direction towards the first portion. The method includes the step of securing the first portion to one of a first member and a second member disposed in spaced relationship to the first member and the step of abuttingly engaging the second portion to an opposed one of the first member and the second member wherein the second member is capable of withstanding application of at least one of shock and vibration and the resilient member temporarily changes its original shape for absorbing such at least one of shock and vibration.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is related to and claims priority from ProvisionalPatent Application Ser. No. 60/683,905 filed May 24, 2005.

FIELD OF THE INVENTION

The present invention relates, in general, to shock and vibrationabsorbers and, more particularly, this invention relates to a resilientdevice for protecting mailboxes from shocks and vibration and, stillmore specifically, this invention relates to a resilient device forprotecting preselected objects from shocks and vibration.

BACKGROUND OF THE INVENTION

Although the invention will be described as it relates to mailboxes itis to be understood that it is not limited thereto or thereby. As isgenerally well known, mailboxes, particularly those installed in ruralareas, are vulnerable to damage due to their location on publicthoroughfares as well as to difficulties by the box owner to view suchmailboxes from their homes. The damage is mainly caused by the impact ofan external force generated by baseball bats, rocks, water balloons,snow plow discharge, beer bottles and the like. As a result of suchimpact force, the mailbox looses its permanent attachment with thestationary mounting post.

A device taught in U.S. Pat. No. 5,699,989 to Guthrie fails to simplyand economically resolve problems associated with mailbox attachment.

SUMMARY OF THE INVENTION

According to one embodiment of the invention, there is provided a methodof absorbing at least one of a shock and a vibration. The methodincludes the steps of providing at least one resilient member havingeach of a predetermined shape, a first portion and a second portionwhich extends outwardly from the first portion. The second portioncurves in a first direction which is away from the first portion andthen recurves in a second direction which is towards the first portion.The method further includes the step of securing the first portion toone of a first member and a second member disposed in a spacedrelationship to the first member and then at least abuttingly engagingthe second portion to an opposed one of the first member and the secondmember. The second member is capable of withstanding application of atleast one of a shock and a vibration, whereby the resilient membertemporarily changes its original shape for absorbing such at least oneof shock and vibration.

According to another embodiment, the invention provides a method ofabsorbing at least one of a shock and a vibration. The method includesthe steps of providing at least one pair of resilient members, affixingeach of the at least one pair of resilient members together, thencoupling a first resilient member to a first member and then at leastabuttingly engaging a second resilient member to a second memberdisposed in a spaced relationship to the first member, wherein theresilient member temporarily changes its original shape for absorbingsuch at least one of shock and vibration.

According to yet another embodiment of the invention, there is providedat least one resilient member coupled to a preselected object, such as amailbox, and to a vertical post for absorbing at least one of a shockand a vibration generated by a force applied to such preselected object.The at least one resilient member temporarily changes its original shapefor absorbing such at least one of shock and vibration.

OBJECTS OF THE INVENTION

It is, therefore, one of the primary objects of the present invention toprovide a device for absorbing shock and vibration which is resilient.

Another object of the present invention is to provide a device forabsorbing shock and vibration which has a unitary construction.

Yet another object of the present invention is to provide a device forabsorbing shock and vibration which is operable in pressurized andnon-pressurized environments.

Still another object of the present invention is to provide a device forabsorbing shock and vibration which is operable within varioustemperature ranges.

A further object of the present invention is to provide a device forabsorbing shock and vibration which is not affected by climaticenvironments.

Yet a further object of the present invention is to provide a device forabsorbing shock and vibration which is operable in harsh and chemicallyreactive environments.

Still a further object of the present invention is to provide a devicefor absorbing shock and vibration which is relatively inexpensive toproduce.

An additional object of the present invention is to provide a device forabsorbing shock and vibration which is simple to install.

Another object of the present invention is to provide a method ofabsorbing shock and vibration.

In addition to the several objects and advantages of the presentinvention which have been described with some degree of specificityabove, various other objects and advantages of the invention will becomemore readily apparent to those persons who are skilled in the relevantart, particularly, when such description is taken in conjunction withthe attached drawing Figures and with the appended claims.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a side elevation view of a shock and vibration absorbingdevice of the present invention illustrated in combination with amailbox;

FIG. 2 is a cross-sectional view of the shock and vibration absorbingdevice taken along the lines 2-2 of FIG. 1;

FIG. 3 is a cross-sectional view of the shock and vibration absorbingdevice taken along the lines 3-3 of FIG. 1;

FIG. 4 is a plan view of the shock and vibration absorbing device ofFIG. 1;

FIG. 5 is an end view of the shock and vibration absorbing deviceaccording to another embodiment of the present invention;

FIG. 6 is an end view of the shock and vibration absorbing deviceaccording to yet another embodiment of the present invention;

FIG. 7 is a cross-sectional view of the shock and vibration absorbingdevice taken along the lines 7-7 of FIG. 6;

FIG. 8 is an end view of the shock and vibration absorbing deviceaccording to a further embodiment of the present invention;

FIG. 9 is a plan view of the shock and vibration absorbing deviceaccording to yet a further embodiment of the present invention;

FIG. 10 is an end view of the shock and vibration absorbing device ofFIG. 9;

FIG. 11 is an end view of the shock and vibration absorbing deviceaccording to still another embodiment of the present invention;

FIG. 12 is an end view of the shock and vibration absorbing deviceaccording to another embodiment of the present invention;

FIG. 13 is a plan view of the shock and vibration absorbing device ofFIG. 12;

FIG. 14 is an elevation view of the shock and vibration absorbing deviceaccording to yet another embodiment of the present invention in use forcoupling a pair of elongated members;

FIG. 15 is an elevation view of an alternative embodiment of the shockand vibration absorbing device of FIG. 14;

FIG. 16 is an elevation view of another alternative embodiment of theshock and vibration absorbing device of FIG. 14; and

FIG. 17 is an elevation view of yet another alternative embodiment ofthe shock and vibration absorbing device of FIG. 14.

BRIEF DESCRIPTION OF THE VARIOUS EMBODIMENTS OF THE INVENTION

Prior to proceeding to the more detailed description of the presentinvention, it should be noted that, for the sake of clarity andunderstanding, identical components which have identical functions havebeen identified with identical reference numerals throughout the severalviews illustrated in the drawing figures.

It is to be understood that the shock and vibration may be of amechanical, thermal or acoustical nature.

Now in reference to FIG. 1, there is shown a mailbox 10 and a verticallyand stationary mounted support post 12 having a generally horizontal arm14. A resilient member, generally designated as 20, according to oneembodiment of the present invention, is coupled to such mailbox 10 andto either such vertical post 12 or its arm 14 for absorbing at least oneof a shock and a vibration generated by an impact force applied to suchmailbox 10. Such resilient member 20 has a predetermined shape. Theresilient member 20 includes a first portion 22 and a second portion 24which extends outwardly from the first portion 22 and curves in a firstdirection which is away from the first portion 22 and then recurves in asecond direction which is towards the first portion 22. Each of a freeedge of the first portion 22 and free edge 28 of the second portion 24has a predetermined shape. It will be appreciated that since the mailbox10 has a generally rectangular base, the free edge of each of the firstportion 22 and the second portion 24 is generally straight andfurthermore, such free edges are generally parallel to each other.

Resilient member 20 may further include a third portion 30 which extendsoutwardly from the first portion 22. Such third portion 30 curves in athird direction which is away from the first portion 22 and then in aforth direction towards the first portion 22. As shown in FIGS. 2-4, thethird portion 30 is disposed opposite the second portion 24 inrelationship to a vertical axis of such mailbox 10. Furthermore, a freeedge 32 of the third portion 30 is disposed in a predeterminedrelationship to the free edge 28 of the second portion 24, which is aparallel relationship.

In the presently preferred embodiment, the first portion 22 is generallyflat and the resilient member 20 includes a generally flat portion 34which extends outwardly from the free edge 28 of the second portion 24.Such generally flat portion 34 may be disposed substantially coplanarwith the generally flat first portion 22. Alternatively, such flatportion 34 may be disposed at a predetermined angle to the generallyflat first portion 22. As best shown in FIG. 3, the second portion 24recurves outwardly from the generally flat first portion 22 and the flatportion 34 is disposed perpendicular thereto. The flat portion 34 mayfurther extend past the generally flat first portion 22. When the flatportion 34 extends past the generally flat first portion 22, such flatportion 34 will be spaced from the first mounting member 16 to enablethe resilient member 20 to temporarily change its original shape andfurther enable movement of the mailbox 10.

As shown in FIGS. 6-7, the second portion 24 recurves inwardly and formsat least a 270 degree loop and at least the free edge 28 of the secondportion extends past the first portion 22 which includes at least oneaperture 38 formed therein. The free edge 28, and preferably the flatportion 34, are passed through such at least one aperture 38.

In further reference to FIG. 4, the resilient member 20 includes atleast one of a cutout 40 and aperture 42 for varying a resiliency of theresilient member 20 in absorbing such at least one of shock andvibration.

In use, the first portion 22 is either directly secured to the arm 14 orthe post 12 or first secured to the first mounting bracket 16 which isattached to such arm 14 or the post 12. The second portion 24 at leastabuttingly engages the mailbox 10 or the second mounting bracket 18attached to the mailbox 10. It will be understood that the mailbox 10 iscapable of withstanding application of a predetermined impact forcewhich is capable of causing at least one of a shock and a vibration.

The resilient member 20 temporarily changes its original shape uponapplication of the predetermined impact force and movement of themailbox 10 and then returns to the original shape after removal of thepredetermined impact force for absorbing such at least one of shock andvibration. When first mounting bracket 16 and second mounting bracket 18are employed, such brackets are configured to enable movement of mailbox10 and further enable the resilient member 20 to temporarily change itsoriginal shape. Advantageously, the flanges of second mounting bracket18 will be spaced from either the flanges of first mounting bracket 16or directly from the mounting post 12 or arm 14.

As shown in FIGS. 2-4, the second portion 24, being adapted with theflat portion 34, may be fastened to the mailbox 10 or the secondmounting bracket 18 with a well known fastener 44, such as a rivet. Aplurality of reinforcing members 46 and 48 may be provided for aiding infastening of such resilient member 20 manufactured from a compressibleresilient material such as elastomer, fabric, polymer and the like. Suchmembers 46 and 48 may be disposed in an external abutting engagementwith the resilient member 20 or may be disposed integral thereto. Asshown in FIGS. 6-7, the second portion 24, is adapted with the flatportion 34, may be fastened to the arm 14 or the first mounting bracket16.

In further reference to FIG. 3, at least one independent resilientmember, referenced by numeral 21, may be employed for engagement witheither the left and right end of the mailbox 10 of FIG. 1, and at leastone additional resilient 20 may be employed for engaging the side of themailbox 10 of FIG. 1.

FIG. 5 illustrates another embodiment of the present invention, whereinthe first portion 22 is generally flat, the second portion 24 has aU-shape and the third portion 34 extends outwardly from a free edge ofthe second portion and is disposed substantially coplanar with the firstportion 22. By way of example of FIG. 5, the second portion 24 abuts thesecond mounting bracket 18 and the first portion 22 and the thirdportion 34 are affixed to the first mounting bracket 16. It will beappreciated that orientation of the resilient member 20 may be reversed.Furthermore, the second portion 24 may be fastened to either the firstmounting bracket 16 or the second mounting bracket 18. Alternatively,the second portion 24 may be adapted with a V-shape in applicationsrequiring increased flexibility of the resilient member 20.

FIG. 8 illustrates yet another embodiment of the present invention,wherein the resilient member 20 includes a first portion 22, a pair ofsecond portions 24 each having a V-shape and extending from opposededges of the first portion 22 and a pair of third portions 34 eachextending from a free edge of the respective second portion 24. By wayof example of FIG. 8, the third portions 34 are coplanar with the firstportion 22 and are mechanically fastened to the first mounting bracket16. As has been stipulated above in reference to FIG. 5, the orientationof the resilient member 20 may be reversed when required.

Now in reference to FIGS. 9-10 there is illustrated a further embodimentof the present invention, wherein a plurality of resilient members 20are employed for absorbing at least one of shock and vibration. By wayof example in FIG. 10, each resilient member 20 is illustrated, in anend view or cross-section, as having a generally elongated shape and mayfurther include a portion 50 which curves in a direction which isopposite to the curving and recurving of the second portion 24 asrelated to the plane of the first portion 22. Furthermore, eachresilient member 20 is illustrated as being attached directly to thegenerally horizontal arm 14 of the mounting post 12 with fasteners 52.It will be apparent to those skilled in the art that other end viewconfigurations of each resilient member 20, will be applicable forabsorbing at least one of shock and vibration.

FIG. 11 illustrates yet a further embodiment of the present invention,wherein a pair of recurved resilient members 20, each having a pair ofopposed second portions 24 and a pair of third portions 34, areconnected together and wherein one resilient member 20 at leastabuttingly engages first mounting bracket 16 and second resilient member20 at least abuttingly engages the second mounting bracket 18. It willbe appreciated that such pair of resilient members 20 may be connectedtogether at the first portion 22 with third portions 34 being employedfor attachment to the first mounting bracket 16 and the second mountingbracket 18.

The resilient member 20 may be formed from a generally flat material,which is advantageous for simply providing a shape illustrated in FIGS.1-4 which is capable of absorbing shock and vibration in all three axis.Alternatively, the resilient member 20 may be made from one of anextrusion, stamping, molding and casting.

The material of the resilient member 20 may be one of metal, fiberglass,polymer, engineered plastic, fabric, elastomer and various combinationsthereof. It will be apparent to those skilled in the art that thematerial will be selected to accommodate various temperature ranges aswell as various climatic and chemically harsh environments.

Now in reference to FIGS. 12-13, there is shown still a furtherembodiment of the present invention wherein the resilient member,generally designated as 60, is advantageous for attaching the mailbox 10to the vertical post 12 either directly or through use of the firstmounting bracket 16 and the second mounting bracket 18.

In such embodiment, the resilient member 60 is illustrated as having acontinuous second portion 64 which extends about a peripheral edge 63 ofthe first portion 62. A peripheral third portion 66 may be furtherprovided for additional securement to the second mounting bracket 18 ordirectly to the mailbox 10.

Each of the first portion 62 and the second portion 64 has apredetermined shape. For example, as shown in FIGS. 12-13, thepredetermined shape of the first portion 62 is generally round and thepredetermined shape of the second portion 64 is generally square.Accordingly, the peripheral edges of such first portion 62 and thesecond portion 64 exhibit a predetermined shape. As described supra, aplurality of apertures 68 or notches (not shown) may be provided foradjusting resiliency of the resilient member 60. Furthermore, the firstportion 62 may be provided with a boss 70 for housing a bearing 72 whichenables simple rotation of the mailbox 10 about the post 12 in the eventof the impact force being applied to such mailbox 10.

Alternatively, the boss 70 may be incorporated into first mountingmember 16 in a manner which allows rotation of the mailbox 10 or,alternatively, a portion of such first mounting member 16 may be raisedfor elevating the first portion 62.

Now in reference to FIGS. 14-17, there is illustrated yet anotherembodiment of the resilient member, generally designated as 80, forabsorbing at least one of a shock and a vibration between a firstelongated member 82 and a second elongated member 84 which is disposedin a spaced relationship to such first member. FIG. 14 illustrates anelongated sleeve like member 86 which is fastened to an end of the firstelongated member 82 and an opposed end of the second elongated member84.

In reference to FIG. 15, the resilient member 80 is illustrated ashaving at least a partially open shape. Particularly, there is a pair ofU-shaped resilient members 90 being attached together and whereinflanges 92 of a first U-shaped resilient member 90 is attached to suchfirst elongated member 82 and flanges 92 of second U-shaped resilientmember 90 is attached to the second elongated member 84.

In reference to FIG. 16, flanges 92 of U-shaped resilient member 90 aresecured to one of such first elongated member 82 and the secondelongated member 84 and the U-shaped resilient member 90 includes atleast one elongated member 94 extending outwardly therefrom for affixingto an opposed one of such first elongated member 82 and such secondelongated member 84.

In further reference to FIG. 17, a base portion of the U-shapedresilient member 90 is secured to one of such first elongated member 82and such second elongated member 84 and flanges 92 of the U-shapedresilient member 90 are secured to an opposed one of such firstelongated member 82 and such second elongated member 84.

It will be appreciated that an L-shape member may be provided instead ofa U-shape member 90. A first flange 92 of the L-shaped resilient memberis secured to one of such first elongated member 82 and such secondelongated member 84 and said a second flange is secured to an opposedone of such first elongated member 82 and such second elongated member84.

The embodiment of FIGS. 14-17 is advantageous for use as a boat dockhinge, as a drive shaft coupling, or for enabling movement of the post12 about its vertical axis, wherein the post 12 is formed as a pair ofsections, with a first section located in close proximity to a groundsurface.

Although the present invention has been mainly shown in terms ofattaching a mailbox to the mounting post, it will be apparent to thoseskilled in the art, that the present invention may be applied to otherdevices requiring absorption of shock and vibration. For example, thepresent invention may be employed as a loading dock bumper, boat dockbumper or simply as a vehicle bumper. Furthermore, the resilient memberof the present invention may be advantageous in use as a door or a gatehinge. Additionally, it may be employed as a motor mount or for mountingelectronic devices and components.

Although the present invention has been shown in terms of a mechanicalfastening of the resilient member, it should be apparent to thoseskilled in the art that at least a predetermined portion of theresilient member may be secured by an adhesive or securely caged by theshape and construction of the device.

Additionally, other configurations of the first mounting member 16 andthe second mounting member 18 may be employed in various applications.Furthermore, at least a first mounting bracket 16 may be permanentlyattached to the post 12, for example, by a welding method.

Thus, the present invention has been described in such full, clear,concise and exact terms as to enable any person skilled in the art towhich it pertains to make and use the same. It will be understood thatvariations, modifications, equivalents and substitutions for componentsof the specifically described embodiments of the invention may be madeby those skilled in the art without departing from the spirit of theinvention as set forth in the appended claims.

1. A method of absorbing at least one of shock and vibration, saidmethod comprising the steps of: (a) providing at least one resilientmember having: (i) a predetermined shape, (ii) a first portion, and(iii) a second portion extending outwardly from said first portion, saidsecond portion curving in a first direction away from said first portionand then recurving in a second direction towards said first portion; (b)securing said first portion to one of a first member and a second memberdisposed in a spaced relationship to said first member; and (c) at leastabuttingly engaging said second portion to an opposed one of said firstmember and said second member, said second member capable ofwithstanding application of at least one of shock and vibration, wherebysaid resilient member temporarily changes its original shape forabsorbing such at least one of shock and vibration.
 2. The method,according to claim 1, wherein said method includes a step of providing afree edge of each of said first portion and said second portion has apredetermined shape.
 3. The method, according to claim 1, wherein saidmethod includes a step of providing each of said first portion and saidsecond portion with a generally straight free edge.
 4. The method,according to claim 3, wherein said method includes a step of providingsaid generally straight free edge of said second portion parallel tosaid generally straight free edge of said first portion.
 5. The method,according to claim 1, wherein said method includes a step of providingsaid resilient member with at least a third portion extending outwardlyfrom said first portion, said third portion curving in a third directionaway from said first portion and then in a forth direction towards saidfirst portion.
 6. The method, according to claim 5, wherein said methodincludes disposing said third portion opposite said second portion. 7.The method, according to claim 5, wherein said method includes a step ofproviding a free edge of said third portion in a predeterminedrelationship to said free edge of said second portion.
 8. The method,according to claim 7, wherein said method includes a step of providingsaid free edge of said third portion parallel to said free edge of saidsecond portion.
 9. The method, according to claim 5, wherein said secondportion and said third portion extend in a generally vertical direction.10. The method, according to claim 1, wherein said method includes astep of providing said first portion generally flat and said resilientmember includes a generally flat third portion which extends outwardlyfrom a free edge of said second portion.
 11. The method, according toclaim 10, wherein said method includes a step of disposing said thirdportion substantially coplanar with said generally flat first portion.12. The method, according to claim 10, wherein said method includes astep of disposing said third portion at a predetermined angle to saidgenerally flat first portion.
 13. The method, according to claim 12,wherein said method includes a step of curving said second portionoutwardly from said generally flat first portion and extending saidthird portion past said generally flat first portion.
 14. The method,according to claim 13, wherein said third portion is spaced from saidone of said first member and said second member.
 15. The method,according to claim 1, wherein said method includes a step of curvingsaid second portion inwardly and forming at least a 270 degree loop andextending at least a free edge of said second portion past said firstportion.
 16. The method, according to claim 15, wherein said firstportion includes at least one aperture formed therein and at least saidfree edge is passed through said at least one aperture.
 17. The method,according to claim 15, wherein said method includes a step of fasteningsaid free edge to said first member.
 18. The method, according to claim1, wherein said method includes a step of extending said second portionabout a peripheral edge of said first portion.
 19. The method, accordingto claim 18, wherein a free peripheral edge of said second portion has apredetermined shape.
 20. The method, according to claim 18, wherein saidperipheral edge of said first portion has a predetermined shape.
 21. Themethod, according to claim 1, wherein said first portion is generallyflat, said second portion is one of a U-shaped and a V-shaped and saidresilient member further includes a third portion extending outwardlyfrom a free edge of said second portion and wherein said third portionis disposed substantially coplanar with said first portion.
 22. Themethod, according to claim 1, wherein said method includes a step ofsecuring said second portion to at least one of said first member andsaid second member.
 23. The method, according to claim 1, wherein saidat least one resilient member is formed from a generally flat material.24. The method, according to claim 1, wherein said at least oneresilient member is made from one of an extrusion, stamping, molding andcasting.
 25. The method, according to claim 1, wherein a material ofsaid at least one resilient member is one of metal, fiberglass, polymer,engineered plastic, fabric, elastomer and various combinations thereof.26. The method, according to claim 1, wherein said at least oneresilient member includes at least one of a cutout and aperture forvarying a resiliency of said at least one resilient member to absorbsuch one of shock and vibration.
 27. The method, according to claim 1,wherein such at least one of shock and vibration is generated by a forceapplied to said second member.
 28. The method, according to claim 27,wherein said force is an impact force.
 29. The method, according toclaim 1, wherein said first member is stationary.
 30. A method ofabsorbing at least one of shock and vibration, said method comprisingthe steps of: (a) providing at least one pair of resilient members; (b)affixing each of said at least one pair of resilient members together;(c) coupling a first resilient member to a first member; and (d) atleast abuttingly engaging a second resilient member to a second memberdisposed in a spaced relationship to said first member, said secondmember capable of withstanding application of at least one of shock andvibration, whereby said resilient member temporarily changes itsoriginal shape for absorbing such at least one of shock and vibration.31. The method, according to claim 30, wherein each of said at least onepair of resilient members is a U-shaped member secured to each other ata base portion thereof, wherein flanges of one U-shaped resilient memberare secured to said first member and wherein flanges of another U-shapedresilient member are secured to said second member.
 32. A method ofabsorbing at least one of shock and vibration between a first member anda second member which is disposed in a spaced relationship to such firstmember, such second member capable of withstanding application of atleast one of a shock and a vibration, said method comprising the stepsof: (a) providing a resilient member; (b) coupling said resilient memberto such first member; and (c) coupling said resilient member to suchsecond member, whereby said resilient member temporarily changes itsoriginal shape for absorbing such at least one of shock and vibration.33. The method, according to claim 32, wherein said resilient member hasa hollow elongated shape.
 34. The method, according to claim 32, whereinsaid resilient member has a U-shape and wherein a base portion of saidU-shaped resilient member is secured to one of such first member andsuch second member and flanges of said U-shaped resilient member aresecured to an opposed one of such first member and such second member.35. The method, according to claim 32, wherein said resilient member hasa U-shape and wherein flanges of said U-shaped resilient member aresecured to one of such first member and such second member and saidU-shaped resilient member includes at least one elongated memberextending outwardly therefrom for affixing to an opposed one of suchfirst member and such second member.
 36. The method, according to claim32, wherein said method further includes the step of affixing a secondU-shaped resilient member to said U-shaped resilient member and the stepof affixing said second U-shaped resilient member to one of such firstmember and such second member.
 37. The method, according to claim 32,wherein said resilient member has an L-shape and wherein a first flangeof said L-shaped resilient member is secured to one of such first memberand such second member and said a second flange is secured to an opposedone of such first member and such second member.
 38. In combination witha mailbox and a post having a vertical axis, at least one resilientmember coupled to such mailbox and to such vertical post for absorbingat least one of a shock and a vibration generated by a force applied tosuch mailbox, wherein said at least one resilient member temporarilychanges its original shape for absorbing such at least one of shock andvibration.